62+ what two observations allow us to calculate the galaxy's mass
Henrietta Leavitt first showed the relationship between the mass and luminosity of Cepheids and their period. The total mass of the Galaxy is about 2 times.
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What two observations allow us to.
. Web Up to 256 cash back Get the detailed answer. A the Suns mass and velocity in orbit of the Galactic Center B the Suns orbital velocity. B the Suns mass and velocity in orbit.
However the mass of the Sun is completely trivial compared to the. Web These are rogue stars and galaxy fragments that now trail behind us and their velocity and angular momentum can tell us how much they have been pulled by our. Web 5 What two observations allow us to calculate the Galaxys mass.
Web Taking the absolute magnitude 408 of the sun on the I-band the luminosity of a galaxy with absolute magnitude 1806 would be. A the Suns orbital velocity and its distance from the Galactic Center. L G a l a x y L S u n 10 408 1806 25.
Web Now take M A to be the mass of the galaxy within the Suns orbit and M B to be the mass of the Sun. Web where D is in astronomical units P is measured in years and M 1 M 2 is the sum of the masses of the two stars in units of the Suns mass. Web Question 9 1 point What two observations allow us to calculate the Galaxys mass.
Web The mass of the Galaxy can be determined by measuring the orbital velocities of stars and interstellar matter. The instability strip includes many main sequence stars. This is a very useful formula for.
The total mass of the Galaxy is about 2 10 12 M Sun. Web The mass of the Galaxy can be determined by measuring the orbital velocities of stars and interstellar matter. M A is much much greater than M B therefore we can replace the Sun by the.
What two observations allow us to calculate the galaxys mass. Web Plugging numbers into Keplers formula we can calculate the sum of the masses of the Galaxy and the Sun.
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